#wrapper {
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  height: 600px;
  padding: 20px;
  
}
#nav {
  color: #444;
  font-size: 1.2em;
  font-weight: bold;
  margin: 10px 0 30px 0;
  padding-bottom: 20px;
  text-align: center;
  
}

 #nav li{
 display: block;

 	width: 50%;
 	float: left;
 	
 }
 #nav a{
  width: 160px;
  height: 50px;
  line-height: 50px;
 	display: block;
 	color: black;
 }
 #nav a:hover{
 width: 160px;
 height: 50px;
 background: #2196F3;
 color: white;
 }
 .register span{
	display: block;
	width: 100%;
	background: #EEEEEE;
	height: 1px;
	margin-bottom:8px ;
}
  	.register{
  border-radius: 2px 2px 5px 5px;
  padding: 10px 20px 20px 20px;
  width: 90%;
  max-width: 320px;
  background: #ffffff;
  position: relative;
  padding-bottom: 80px;
  box-shadow: 0px 1px 5px rgba(0, 0, 0, 0.3);
  	}

.register input {
  display: block;
  padding: 15px 10px;
  margin-bottom: 10px;
  width: 100%;
  border: 1px solid #ddd;
  transition: border-width 0.2s ease;
  border-radius: 2px;
  color: #ccc;
}
#submit{
  width: 100%;
  height: 100%;
  padding: 10px 10px;
  background: #2196F3;
  color: #fff;
  display: block;
  border: none;
  margin-top: 20px;
  position: absolute;
  left: 0;
  bottom: 0;
  max-height: 60px;
  border: 0px solid rgba(0, 0, 0, 0.1);
  border-radius: 0 0 2px 2px;
  transform: rotateZ(0deg);
  transition: all 0.1s ease-out;
  border-bottom-width: 7px;
}